CVE-2021-23853 : Security Advisory and Response
Learn about CVE-2021-23853, a high-severity vulnerability in Bosch IP cameras allowing attackers to inject arbitrary HTTP headers. Find out the impact, affected systems, and mitigation steps.
A detailed overview of CVE-2021-23853, focusing on the impact, technical details, and mitigation strategies.
Understanding CVE-2021-23853
This section delves into the specifics of the CVE-2021-23853 vulnerability affecting Bosch IP cameras.
What is CVE-2021-23853?
The CVE-2021-23853 vulnerability involves improper validation of HTTP headers, enabling attackers to inject arbitrary HTTP headers via crafted URLs in Bosch IP cameras.
The Impact of CVE-2021-23853
The vulnerability poses a significant risk with a CVSS base score of 8.3 classified as high severity. Attackers can exploit this flaw to manipulate HTTP headers, potentially leading to unauthorized access and data compromise.
Technical Details of CVE-2021-23853
Explore the technical specifics of CVE-2021-23853 to understand its implications better.
Vulnerability Description
The vulnerability stems from Bosch IP cameras not properly validating HTTP headers, allowing threat actors to insert malicious headers through specially crafted URLs.
Affected Systems and Versions
The affected product is CPP Firmware by Bosch, impacting all versions running on platforms CPP4, CPP6, CPP7, CPP7.3, and CPP13.
Exploitation Mechanism
The vulnerability, categorized with a CVSS v3.1 score of 8.3, possesses a high attack complexity requiring no privileges, making it exploitable over the network with user interaction.
Mitigation and Prevention
Discover the necessary steps to mitigate the risks associated with CVE-2021-23853 for enhanced cybersecurity.
Immediate Steps to Take
To mitigate the vulnerability, it is crucial to apply security patches and updates provided by Bosch promptly. Additionally, monitoring network traffic for suspicious activities can help detect potential exploitation attempts.
Long-Term Security Practices
Employ robust security measures such as network segmentation, regular security audits, and user security awareness training to prevent similar vulnerabilities and enhance overall cybersecurity posture.
Patching and Updates
Keep systems up to date with the latest firmware releases and security patches from Bosch to address the CVE-2021-23853 vulnerability effectively.